March weather forecast in South Padre Island

In March, the weather in South Padre Island is typically warm. Average daily high temperature in March is about 20 degrees above zero. On average, South Padre Island has 14 sunny, 9 partly cloudy, 6 rainy, and 2 cloudy days in March. The rains are usually heavy. March as well as April and May is considered the most comfortable time to visit South Padre Island.